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[Bug target/1532] [3.3/3.4 Regression] -O3 generates (obviously) redundant tests and jumps
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 24 Aug 2003 19:45:52 -0000
- Subject: [Bug target/1532] [3.3/3.4 Regression] -O3 generates (obviously) redundant tests and jumps
- References: <20010101090600.1532.duchier@ps.uni-sb.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=1532
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|optimization |target
Last reconfirmed|2003-07-29 08:39:17 |2003-08-24 19:45:52
date| |
Summary|-O3 generates (obviously) |[3.3/3.4 Regression] -O3
|redundant tests and jumps |generates (obviously)
| |redundant tests and jumps
Target Milestone|--- |3.3.2
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-08-24 19:45 -------
This is a regression from 2.95.3 and this is definitly a target bug.
The problem is that the i386 uses different CC modes for less than and equal to and other
comparisions.